Themostcommonlyusedworkgas:argon,nitrogen,oxygen,airandH35,argon-nitrogengasmixture,etc. 最常用的工作气体有:氩气、氮气、氧气、空气以及H35、氩-氮混合气体等。 98468225.s245.sqnet.cn 7. Asolidornearlysolidformofbitumenthatcanmeltuponheatingandcontainsimpuritiessuch asnitrogen,oxygenandsulfur. ...
待解决 悬赏分:1 - 离问题结束还有 Methane, Nitrogen, Oxygen问题补充:匿名 2013-05-23 12:21:38 甲烷,氮,氧 匿名 2013-05-23 12:23:18 甲烷、二氧化氮、氧气 匿名 2013-05-23 12:24:58 甲烷,氮气,氧气 匿名 2013-05-23 12:26:38 甲烷、 氮、 氧 匿名 2013-05-23 12:28:18 ...
求翻译:Methane, Nitrogen, Oxygen是什么意思?待解决 悬赏分:1 - 离问题结束还有 Methane, Nitrogen, Oxygen问题补充:匿名 2013-05-23 12:21:38 甲烷,氮,氧 匿名 2013-05-23 12:23:18 甲烷、二氧化氮、氧气 匿名 2013-05-23 12:24:58 甲烷,氮气,氧气 匿名 2013-05-23 12:26:38 甲烷、 ...
nitrogen 网络解释 1. 氮气:我司生产销售变压吸附(PSA)制氮机.制氮机配有空气缓冲罐,氮气缓冲罐.还配有两个吸附塔,双吸附塔并联交替进行吸附,一塔工作一塔再生,连续产氮. 压缩空气(AIR) 氧气(OXYGEN)放空 氮气(NITROGEN)收集 .规格多种多样,欢迎来电咨询. ...
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Oxygen, nitrogen and argon - ScienceDirectSafety PanelCryogenics Safety Manual (Third Edition)
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A意思:很多气体,包括氮气和氧气,都是没有颜色和气味的解释 :【including the nitrogen and oxygen in air】作为插入语,可以忽略,然后主语是gases是复数,也是主语,所以缺少谓语,只有A选项有谓语B和C都是非谓语行事D... 分析总结。 includingthenitrogenandoxygeninair作为插入语可以忽略然后主语是gases是复数也是主语...
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